Super Smash Bros. Melee

A decompilation of Super Smash Bros Melee brought to you by a bunch of clever folks.

large matching decomp

The SSBM "Phillip" AI.

Classic deep-RL Melee bot (Firoiu et al. 2017, arXiv:1702.06230 'Beating the World's Best at Super Smash Bros. with Deep RL'); superseded by slippi-ai

The AI that beats you at Melee

Mature rule-based bot last push 2024

Native PC port of Super Smash Bros. Melee (NTSC-U 1.02), built from doldecomp/melee on aurora. No game data; bring your own disc.

Beta juanpinzon500 uploaded the PS Vita port built on melee-pc + doldecomp/melee + aurora. Alternative: sonsegajp/YAMPP.

Active (2026-09/10); de-facto infrastructure for Melee bots and datasets

Open Python 3 API for making your own Smash Bros: Melee AI that works with Slippi Online

Archived 2026-01; maintained fork at vladfi1/libmelee (2026-10)

Imitation learning from slippi replays.

Active (2026-10); bots played top pros (Zain, Amsa, Cody, Moky, Aklo); Windows GUI app, ONNX models

Live at smash.fun/melee (browser), custom fighters generated from images injected as costumes on the 26 movesets (2026-09/10)

Super Smash Bros. Melee for Windows as a true Source Port: the game compiled natively from its decompiled C source, no emulation, with unlocked FPS and Slippi rollback online. A Static Recomp of the…

Beta; Windows; Slippi rollback online that plays against Slippi Dolphin; unlocked FPS

Recompilable version of Super Smash Bros. Melee 1.02 based on the LibOGC project.

Ceased (2020); title screen rendered; superseded by doldecomp/melee

Training AI for Super Smash Bros. Melee

Active (2026-10)

Native original Xbox port of Super Smash Bros. Melee

Various (2026-09/10)

A gym environment for Super Smash Bros. Melee

Unmaintained since 2020; Linux training

GD's Melee: native PC port of Melee with rollback netplay, m-ex mods, Lua, the Geno fighter engine and LAB. Releases, launcher, tooling and fighter-port research. No game data.

Public test 0.2.2; Windows + Linux cross-play rollback online; Lua scripting; Geno fighter engine; LAB

A gym-esque environment for Super Smash Bros. Melee.

Unmaintained since 2021

Generating Evolutionary Opponents as a Reinforcement Guided Exploration Solution

Georges archived direction; seedsmash active 2026-07

Melee AI tournaments for Moltbots — pluggable fighters compete over Slippi netplay

Small (2026-03)

Yet Another Melee PC Port, based on the Melee decompilation. Native PC runtime, rollback Online, and optional content mods. Bring your own disc.

Experimental; Windows play build, rollback online, Akaneia mod support (2026-09)

Reinforcement Learning Bots for Super Smash Bros. Melee

Smaller/older projects: villinvic/daboy (RL bots, fork of spxtr/p3), effdotsh/ssbm-bot (imitation learning, MedbGill/KirbyBot(v2) (Keras), Dan0rk/SSBM-RL, meleeRook/RL-SSBM-AI, turtle11235/MelAI, bsauberman/marth_melee_bot, Sciguymjm/athen…

Native / WASM port of Super Smash Bros. Melee

25/26 characters (no Kirby) and 6 tournament stages bit-match console on test scenarios; 106/108 public Slippi replays replay without divergence incl. RNG; no CPU opponents/items/1P modes; browser build

ExPhil - An Elixir successor to slippi-ai for training Super Smash Bros. Melee bots. Features imitation learning from Slippi replays, multiple temporal backbones (Mamba, LSTM, attention), PPO reinfor…

Active (2026-10)

An easier way to develop a SSBM bot. Built off libmelee.

Small/older projects: wong-justin/melee-bot (libmelee framework), adit-chandra/pathnet-SSBM-AI (PathNet on Phillip, 2017), CS224R report (BC on 525 replays + IQL/PPO)

fast, accurate SSBM simulator

Active (2026-10); full playable roster, all six competitive stages, singles and teams; CI validation against Melee; only known gap: offscreen magnifier damage timing

Experimental Apple Silicon macOS Melee static recompilation port. Source only; bring your own USA revision 2 disc.

Experimental Apple Silicon recomps (2026-09); grant-m-nelson/MeleeRecomp

A faithful Rust port and research tooling for Super Smash Bros. Melee.

Development preview player for Windows/macOS/Linux AppImage; full verification gate WIP (2026-10)

Experimental native Apple Silicon Melee port with phone controllers and private netplay; source only

Native headless SSBM research simulator with pinned Linux/WSL setup, replay diagnostics, and fidelity tests.

WIP research simulator; replay validation vs Slippi.slp and Dolphin oracle; full equivalence not established (2026-09)

Native PC port of Super Smash Bros. Melee for x64 Windows

Alpha Windows x64; P2P rooms, co-op Classic/Adventure

A decompilation of Super Smash Bros Melee brought to you by a bunch of clever folks.

WIP Windows/Linux port (2026-09)

Elixir port of libmelee — an API for Super Smash Bros. Melee AIs that work with Slippi

2026-09

Dashdance: Super Smash Bros. Melee with Slippi rollback netplay, native on Mac, iPad, iPhone and Apple Vision Pro. Unofficial community client, no emulator.

0.1.5-beta (2026-09)

Paper submitted 2026-10-01 (Janati, Kuzmin, Swamy, Niu); abstract promises open-sourced weights, benchmark suites and a tournament platform (no URL given yet)